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American bison once freely roamed the Great Plains. In the 1820s, there were some 30 million bison in the United States but a survey in 1889 counted just 1,091. Which of the following choices best explains why the bison were driven to near extinction?

Since the bison are classified as a common resource, the lack of ownership led to a tragedy of the commons.

Since the bison are classified as nonrival private goods, the lack of ownership led to a tragedy of the commons.

Since the bison are classified as a public good, the lack of ownership led to a tragedy of the commons.

Since the bison are classified as a private good, the lack of ownership led to a tragedy of the commons.

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At some restaurants and grocery stores, you can buy bison burgers, made from farm- raised bison. Is this good news or bad news if we want more bison around?

The ability to buy bison burgers is good news since the profit earned from their sale will act as incentive to keep bison from going extinct.

The ability to buy bison burgers is bad news since the profit earned from their sale will act as incentive to keep killing bison.

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